invite from contacts feature implemented
Merge branch 'master' of https://github.com/cranberryofdoom/chatpassme-android

Conflicts:
	bin/Chatpassme.apk
	bin/classes.dex
	bin/classes/me/chatpass/chatpassme/AddContactsActivity.class
	bin/classes/me/chatpass/chatpassme/ContactsFragment$1$1.class
	bin/classes/me/chatpass/chatpassme/ContactsFragment$1.class
	bin/classes/me/chatpass/chatpassme/ContactsFragment.class
	bin/resources.ap_